单词	picogram
释义	pi·co·gram (pēkə-grăm′, pī-) n. One trillionth (10-12) of a gram.
随便看	superrealistic superrich supersaturate supersaturation supersaver superscribe superscript superscription supersede supersedeas superseder supersedure supersensible supersensibly supersession supersize supersonic supersonically supersonics supersonic transport superspecies superstar superstardom superstation superstition

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。